1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/* pending.c - reusable stuff awaiting review
*
* new lib entries for stuff in toys/pending
*/
#include "toys.h"
void daemonize(void)
{
int fd = open("/dev/null", O_RDWR);
if (fd < 0) fd = xcreate("/", O_RDONLY, 0666);
pid_t pid = fork();
if (pid < 0) perror_exit("DAEMON: failed to fork");
if (pid) exit(EXIT_SUCCESS);
setsid();
dup2(fd, 0);
dup2(fd, 1);
dup2(fd, 2);
if (fd > 2) close(fd);
}
char *human_readable(unsigned long long size)
{
static char buf[32];
char *tmp = (buf+4); //unsigned long long can come in 20byte string.
int index, sz;
for (index = 0; 1024 < size>>(10*index); index++);
sz = size>>(10*index);
if (sz < 10 && index) {
sprintf(tmp, "%llu", size>>(10*(index-1)));
sprintf(buf, "%c.%c", tmp[0], tmp[1]);
} else sprintf(buf, "%u", sz);
sprintf(buf, "%s%c", buf, " KMGTPE"[index]);
return buf;
}
|
